Castleberry ServicesIT service provider profile · Lufkin, TX

In their own wordsTechnology failures don't send a warning. Cyberattacks don't wait for business hours. And the cost of downtime, lost revenue, damaged reputation, compromised data, is one most businesses can't afford. That's why Castleberry Services exists. We are a full-spectrum managed IT services and cybersecurity provider headquartered in Lufkin, Texas, serving commercial and industrial clients across Texas and surrounding states. Our team engineers, monitors, and secures the technology environments that businesses depend on, so IT decision-makers can focus on strategy, not firefighting. What We Deliver: 🔒 Managed IT Services & Outsourced IT, end-to-end technology management with predictable costs and a single point of accountability 🛡️ Cybersecurity Services, threat detection, firewall management, managed network security, and incident response 📡 Network Infrastructure Management, business network setup, monitoring, and optimization built for reliability and scale 💾 Server Management & Backup, proactive server support, maintenance, and recovery planning that keeps operations running ☁️ Microsoft 365 Support & Virtualization, cloud productivity administration and virtualization services tailored for business environments 🖥️ IT Help Desk Services, responsive, knowledgeable support for the issues your team faces every day 🔧 Structured Cabling & Low Voltage Infrastructure, Cat6 installation, data center cabling, and IoT-ready network buildouts for industrial and commercial facilities Why IT Leaders Choose Castleberry: We don't sell one-size-fits-all solutions. Every engagement starts with a full infrastructure assessment, because the right technology strategy has to be built around how your business actually operates. Our team brings enterprise-level expertise to organizations that need serious IT support without the overhead of an enterprise IT department. We are local, accountable, and invested in long-term outcomes, not ticket counts.

“Leading with Integrity in Business IT Support Integrity isn’t a slogan for us, it’s how we’ve stayed in business for 25+ years in a region where reputation travels fast.”

“More than 25 years later, we’ve grown alongside the businesses we serve: from running the first cable to managing the networks, phones, security cameras, and access control systems that keep East Texas companies running.”

“We came in with 25+ years of large-scale, high-stakes infrastructure experience, and in 2026, we made it available to the businesses right here in our own backyard.”

“Healthcare and Medical Practices HIPAA-conscious server management, segmented network design, and IT help desk services for clinics and medical practices across East Texas.”

“Manufacturing and Industry Ruggedized low-voltage cabling, OT/IT network segmentation, server backup and recovery, and 24/7 monitoring to protect production uptime across your facility.”